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Regeneron Pharmaceuticals, Inc.

REGN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000872589

In the last 90 days, Regeneron Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 1,342 institutions reported holding it in 13F filings for Q2 2026, worth $57.1B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.

13F holders, Q4 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,387
+167 vs. Q3 2025
Shares held
91.6M
+4.76M (+5.5%) vs. Q3 2025
Total value
$70.7B
+$21.9B (+44.9%) vs. Q3 2025
New holders
273
502 more added
Sold out
106
457 more reduced

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting REGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 1,387 institutions
Q1 2021: 926 institutionsQ2 2021: 975 institutionsQ3 2021: 1,022 institutionsQ4 2021: 1,081 institutionsQ1 2022: 1,097 institutionsQ2 2022: 1,066 institutionsQ3 2022: 1,081 institutionsQ4 2022: 1,161 institutionsQ1 2023: 1,196 institutionsQ2 2023: 1,168 institutionsQ3 2023: 1,180 institutionsQ4 2023: 1,274 institutionsQ1 2024: 1,313 institutionsQ2 2024: 1,335 institutionsQ3 2024: 1,393 institutionsQ4 2024: 1,320 institutionsQ1 2025: 1,290 institutionsQ2 2025: 1,201 institutionsQ3 2025: 1,243 institutionsQ4 2025: 1,387 institutionsQ1 2026: 1,401 institutionsQ2 2026: 1,342 institutions
Value heldQ4 2025: $70.7B
Q1 2021: $42.3BQ2 2021: $49.6BQ3 2021: $54.5BQ4 2021: $56.9BQ1 2022: $64.5BQ2 2022: $55.0BQ3 2022: $64.0BQ4 2022: $66.9BQ1 2023: $76.1BQ2 2023: $66.2BQ3 2023: $75.1BQ4 2023: $80.3BQ1 2024: $89.3BQ2 2024: $98.9BQ3 2024: $97.5BQ4 2024: $66.6BQ1 2025: $59.0BQ2 2025: $46.9BQ3 2025: $49.0BQ4 2025: $70.7BQ1 2026: $69.8BQ2 2026: $57.1B
Institutions holding REGN and their total value by quarter
QuarterHoldersValue
Q2 20261,342$57.1B
Q1 20261,401$69.8B
Q4 20251,387$70.7B
Q3 20251,243$49.0B
Q2 20251,201$46.9B
Q1 20251,290$59.0B
Q4 20241,320$66.6B
Q3 20241,393$97.5B
Q2 20241,335$98.9B
Q1 20241,313$89.3B
Q4 20231,274$80.3B
Q3 20231,180$75.1B
Q2 20231,168$66.2B
Q1 20231,196$76.1B
Q4 20221,161$66.9B
Q3 20221,081$64.0B
Q2 20221,066$55.0B
Q1 20221,097$64.5B
Q4 20211,081$56.9B
Q3 20211,022$54.5B
Q2 2021975$49.6B
Q1 2021926$42.3B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2025.

Institutions holding REGN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Highline Wealth Partners LLC15$11.6K0.00%+10+200.0%Added
Capital Advisors, Ltd. LLC15$12.0K0.00%−2−11.8%Reduced
Hanson & Doremus Investment Management16$12.0K0.00%00.0%Unchanged
Rakuten Securities, Inc.16$12.3K0.00%−32−66.7%Reduced
Bogart Wealth, LLC16$12.3K0.00%+1+6.7%Added
DecisionPoint Financial, LLC16$12.3K0.00%+15+1,500.0%Added
1015 Capital Partners, LLC16$12.3K0.01%+16New
Sunbelt Securities, Inc.16$12.4K0.00%+2+14.3%Added
Avion Wealth17$13.0K0.00%+4+30.8%Added
CBIZ Investment Advisory Services, LLC17$13.1K0.00%00.0%Unchanged
Pinnacle Bancorp, Inc.18$13.9K0.00%00.0%Unchanged
High Note Wealth, LLC19$14.7K0.00%−2−9.5%Reduced
Financial Management Professionals, Inc.20$15.4K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC20$15.4K0.00%00.0%Unchanged
Golden State Wealth Management, LLC20$15.4K0.00%00.0%Unchanged
Pacifica Partners Inc.20$15.5K0.01%+10+100.0%Added
Cornerstone Planning Group LLC22$16.5K0.00%−126−85.1%Reduced
Howard Hughes Medical Institute22$17.0K0.01%00.0%Unchanged
Raffa Wealth Management, LLC22$17.0K0.00%00.0%Unchanged
Aspect Partners, LLC22$17.0K0.01%00.0%Unchanged
Dogwood Wealth Management LLC22$17.0K0.01%+2+10.0%Added
Byrne Asset Management LLC23$17.8K0.01%+1+4.5%Added
Kilter Group LLC24$18.5K0.01%+9+60.0%Added
Acumen Wealth Advisors, LLC24$18.5K0.01%+24New
PMV Capital Advisers, LLC24$18.5K0.03%+24New
PFS Partners, LLC24$18.6K0.01%00.0%Unchanged
BFSG, LLC25$19.3K0.00%00.0%Unchanged
Swiss Re Ltd25$19.3K0.00%+25New
Strengthening Families & Communities, LLC25$19.4K0.01%−8−24.2%Reduced
Sachetta, LLC26$20.1K0.01%−3−10.3%Reduced
Westfuller Advisors, LLC26$20.1K0.01%+26New
GoalVest Advisory LLC27$20.8K0.00%+27New
Ares Financial Consulting, LLC27$20.9K0.02%+27New
Bellevue Asset Management, LLC27$21.0K0.01%−3−10.0%Reduced
Caldwell Trust Co28$21.6K0.00%−70−71.4%Reduced
Heritage Wealth Advisors28$21.6K0.00%00.0%Unchanged
Boreal Capital Management LLC29$22.4K0.02%00.0%Unchanged
Creative Financial Designs Inc29$22.4K0.00%+1+3.6%Added
Chung Wu Investment Group, LLC30$23.2K0.02%00.0%Unchanged
Eastern Bank30$23.2K0.00%+20+200.0%Added
Private Wealth Asset Management, LLC31$23.9K0.00%00.0%Unchanged
Colonial Trust Co32$24.4K0.00%+7+28.0%Added
Financial Network Wealth Advisors LLC32$24.7K0.03%+3+10.3%Added
South State Corp.32$24.7K0.00%+7+28.0%Added
GHP Investment Advisors, Inc.32$24.8K0.00%00.0%Unchanged
IAG Wealth Partners, LLC33$25.5K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC33$25.5K0.02%+1+3.1%Added
WPG Advisers, LLC33$25.5K0.02%+25+312.5%Added
Ameliora Wealth Management Ltd.34$26.2K0.01%−24−41.4%Reduced
SHP Wealth Management34$26.5K0.00%+34New
Trust Co of Vermont35$27.0K0.00%−415−92.2%Reduced
Pinney & Scofield, Inc.35$27.0K0.02%00.0%Unchanged
JFS Wealth Advisors, LLC36$27.9K0.00%+11+44.0%Added
Titan Wealth (CI) Ltd37$28.6K0.01%+37New
Consultiva Wealth Management, Corp.40$30.9K0.09%00.0%Unchanged
Catalyst Capital Advisors LLC40$30.9K0.00%−13−24.5%Reduced
Strategic Wealth Partners, Ltd.40$30.9K0.00%−6−13.0%Reduced
Kemnay Advisory Services Inc.40$30.9K0.00%+40New
Board of the Pension Protection Fund40$30.9K0.03%+40New
Birchwood Financial Partners, Inc.41$31.7K0.03%+41New
Salomon & Ludwin, LLC42$32.1K0.00%−3−6.7%Reduced
Entrust Financial LLC42$32.4K0.02%+42New
Costello Asset Management, INC43$33.2K0.01%00.0%Unchanged
Manchester Capital Management LLC43$33.2K0.00%−225−84.0%Reduced
Annis Gardner Whiting Capital Advisors, LLC45$34.7K0.01%+3+7.1%Added
MCF Advisors LLC45$34.7K0.00%+15+50.0%Added
Bell Investment Advisors, Inc45$34.7K0.01%+17+60.7%Added
Mowery & Schoenfeld Wealth Management, LLC48$37.0K0.05%+2+4.3%Added
Transamerica Financial Advisors, Inc.48$37.1K0.00%+38+380.0%Added
Torren Management, LLC49$37.9K0.02%+49New
FNY Investment Advisers, LLC50$38.0K0.01%+50New
Ramirez Asset Management, Inc.50$38.6K0.01%+50New
Curat Global, LLC50$38.6K0.04%00.0%Unchanged
Colonial Trust Advisors50$38.8K0.00%00.0%Unchanged
Basepoint Wealth LLC51$39.5K0.02%+51New
AdvisorNet Financial, Inc52$40.2K0.00%−10−16.1%Reduced
United Community Bank53$40.9K0.02%−121−69.5%Reduced
Whittier Trust Co of Nevada Inc53$41.2K0.00%−28−34.6%Reduced
Private Wealth Management Group, LLC55$42.5K0.01%−3−5.2%Reduced
Root Financial Partners, LLC56$43.2K0.00%+21+60.0%Added
Oakworth Capital, Inc.56$43.2K0.00%+31+124.0%Added
Abound Wealth Management56$43.3K0.01%−3−5.1%Reduced
Rosenberg Matthew Hamilton60$46.3K0.01%00.0%Unchanged
Berbice Capital Management LLC60$46.3K0.03%+60New
Prestige Wealth Management Group LLC61$47.1K0.01%−20−24.7%Reduced
Newbridge Financial Services Group, Inc.63$48.6K0.01%00.0%Unchanged
Rossby Financial, LCC64$49.4K0.02%+8+14.3%Added
UMA Financial Services, Inc.64$49.4K0.01%+7+12.3%Added
Raleigh Capital Management Inc.64$49.4K0.02%+64New
Maryland Capital Advisors Inc.65$50.2K0.02%00.0%Unchanged
Sankala Group LLC65$50.8K0.04%+65New
Activest Wealth Management68$52.5K0.01%+30+78.9%Added
ORG Partners LLC69$53.2K0.01%+31+81.6%Added
Graney & King, LLC69$53.3K0.03%+68+6,800.0%Added
Solstein Capital, LLC71$54.8K0.02%−137−65.9%Reduced
Brown, Lisle/Cummings, Inc.75$57.9K0.01%00.0%Unchanged
TSFG, LLC75$58.0K0.01%−17−18.5%Reduced
American National Bank76$58.7K0.01%00.0%Unchanged
Glen Eagle Advisors, LLC77$59.4K0.01%−40−34.2%Reduced
MV Capital Management, Inc.78$60.2K0.01%+16+25.8%Added